CN206015735U - Damping noise reduction inspection well cover - Google Patents
Damping noise reduction inspection well cover Download PDFInfo
- Publication number
- CN206015735U CN206015735U CN201621021097.5U CN201621021097U CN206015735U CN 206015735 U CN206015735 U CN 206015735U CN 201621021097 U CN201621021097 U CN 201621021097U CN 206015735 U CN206015735 U CN 206015735U
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- Prior art keywords
- noise reduction
- well lid
- damping noise
- adapting table
- well
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Abstract
The utility model discloses a kind of damping noise reduction inspection well cover, the damping noise reduction inspection well cover, including well lid and well seat, are provided with hollow inner chamber on the well seat, it is characterized in that：The inner chamber includes the first adapting table and the screwed firm area for load-bearing, it is provided with, on the side wall of the well lid, the external screw thread being threadedly coupled with firm area, the bottom of the well lid is connected on the first adapting table, solve the problems, such as that the relative displacement of existing noise reduction inspection well cover and well seat causes noise reduction poor greatly, have the advantages that the little, excellent noise reduction effect of vibrations.
Description
Technical field
This utility model is related to urban operating mechanism field, more particularly to a kind of damping noise reduction inspection well cover.
Background technology
Numerous underground pipings, such as sewer, underground gas pipeline, communication conduit, power pipe are had in urban construction
Road etc., in order to safeguard these piping facilities, on these pipe arrangement circuits can be arranged one every one end distance and leads to ground
The outlet in face, this section are referred to as inspection shaft by this section of pipeline to ground.
And the inspection well cover of routine can occur bounce and noise during use, this noise not only affects the people nearby
Many lives, and driver is produced larger misgivings and is affected to form safety.
Authorization Notice No. discloses a kind of damping and noise reduction inspection well cover for the Chinese patent of CN102691317B, it include by
Well seat and the cover plate being mounted on the well seat, it is characterised in that：The cover plate is connected after-frame and is mounted on the well seat with base plate, institute
The cavity surrounded between cover sidewall and the base plate is stated built with cushion；The cushion upper surface and the lid surface
Contact surface be cambered surface, be provided with gap between the cushion side and the cover plate medial surface；The cover plate side with described
Elastic component is provided between golden seat；Compared with prior art, due to being inlaid with elastic component between cover plate and golden seat, when vehicle is crossed
When, vehicle acts on damping and the impulsive force on noise reduction inspection well cover causes cover plate and cushion that elastic deformation, this elasticity occur
Deformation energy effectively absorbs impulsive force of the vehicle to inspection well cover, plays a part of damping.
It is in place of the deficiencies in the prior art, the mode taken by its damping and silencing is to set up cushion in load-bearing side
In order to buffer, all it is to take the scheme of this elastic buffer including many existing technology, but it is understood that inspection well cover can be produced
The reason for noise, mainly has two, and one is to clash into, and two is friction, but regardless of clashing into or the Producing reason that rubs can be returned
Censure as connecting unstable and cause well lid and well seat to produce relative motion；Inspection well cover is sailed in vehicle as the vitals of load-bearing
Pressure when mistake thereon is often very big, and inspection well cover is limited due to thickness, and the cushion pad that is mounted in which or spring are stretched
Contracting amount is often very limited, that is to say, that the holding power which can be provided during actually used is not enough to support vehicle in fact
Ground, and still can there is shock；In addition the size for clashing into the sound is determined by momentum and material, it is clear that when vehicle ground
Wait inspection well cover stroke longer its obtain momentum bigger, and cushion pad and elasticity be exactly the increase in this momentum, although its
Also the holding power needed for being provided with slowing down, but as previously analyzed, its holding power is not enough to support vehicle, and that deceleration is in fact not
Exist or very poor, but due to cushion pad belongs to flexible material in material, the sound produced when same momentum is clashed into
Less, and clash into and just think this plastic deformation, as the continuous plastic deformation of cushion pad can lose buffering effect gradually.
In sum：Prior art using cushion pad as load-supporting part nationality to buffer noise reduction, though have damping noise reduction effect,
Noise reduction is very poor, and cushion pad is easily damaged.
Utility model content
The purpose of this utility model is to provide a kind of damping noise reduction inspection well cover, which solves existing noise reduction inspection well cover and well
The problem that the relative displacement of seat is big and causes noise reduction difference, have the advantages that the little, excellent noise reduction effect of vibrations.
Above-mentioned technical purpose of the present utility model technical scheme is that：
A kind of damping noise reduction inspection well cover, including well lid and well seat, is provided with hollow inner chamber, the inner chamber on the well seat
Including the first adapting table for load-bearing and screwed firm area, it is provided with the side wall of the well lid and firm area's screw thread
The external screw thread of connection, the bottom of the well lid are connected on the first adapting table.
Using said structure, the generation of the noise of inspection well cover comes from shock and rubs, and produces this shock and friction
Main basic reason be connect between well lid and well seat unstable, apply external force when produce relative displacement, in macroscopic view
On show as shaking, now well lid is fixed with well seat threadably, screw thread its arrive pressuring action, main bearing capacity
The well lid bottom for being the first adapting table and abutting with which, this mode can cause gap between well lid and well seat very
Few；Micro elastic deformation can be produced when loaded vehicle ground between first adapting table and the contact surface of well lid, and screw thread is
Play pressuring action, and the precision of screw thread does not reach two facings while contact, that is, well lid external screw thread facing is upper
The lower surface of surface and well seat female thread facing is abutted, and also has a micro sky that can be downward between female thread and external screw thread
Gap, with the downward deformation between the first adapting table and well lid, this micro space just serves the effect of compensation, and works as vehicle
After leaving, deformation recovers, but the abutting due to screw thread, and well lid cannot be beated again upwards, and loses big pressure, and first accepts
Also will not deform upon again between platform and well lid, so as to prevent the vibrations between well lid and well seat, this addresses the problem perpendicular
Problem to vibrations；In addition screw thread pressure surface is to incline, that is to say, that inherently have between the well lid of threaded connection and well seat
Horizontal interaction force, and vehicle when ground due to being rolling friction, horizontal opposing force itself just less, spiral shell
The horizontal force that stricture of vagina is provided be enough to overcome this promotion, so as to the omnibearing relative displacement prevented between well lid and well seat,
Displaced less does not almost also just rub without displacement and clashes into, so as to decrease or even eliminate the generation of noise.
More preferably：The outer rim of the bottom of the well lid is provided with the first chamfering, first adapting table with steady
Gu the corner between area is embedded with the first cushion pad coordinated with first chamfering.
Using said structure, the applying form of cushion pad is generally gradual casting in the form of chamfering and turning
The cooperation root of part be easiest to frictional impact occur where, and cushion pad effectively can play a part of to separate, and
Cushion pad is oblique to the active force of well lid, that is to say, that existing horizontal component has vertical holding power again, so to horizontal stroke
To with can vertically play certain cushioning effect, and this form well lid in the vertical direction will not be caused to produce one can position
The elasticity of shifting, avoid that background technology carried while buffering such issues that.
More preferably：The thread root in the firm area is provided with the glue-line for buffering.
Using said structure, it is usually the presence of certain interval between crest and root of the tooth, this glue-line can be compensated between part
Gap, the well lid and well seat so as to prevent Transverse Impact between crest and root of the tooth and threaded connection is completed serve certain
The effect of filling lubrication, reduces friction and generates the sound.
More preferably：What in being provided with the second adapting table above the firm area and splitting, cavity wall was formed is upper
Inwall, the top in the external screw thread region of the well lid side are provided with the flange coordinated with the second adapting table gap, and described second
The second cushion pad is provided between adapting table and flange.
Using said structure, flange and the second adapting table are as vertical secondary load-carrying construction, when vehicle is extremely heavy
Wait, if high capacity waggon fills goods, in this case, the load between the first adapting table and well lid can be very big, even more than
Gap between screw thread, can produce destruction to screw thread in this case and firm effect is reduced, at this moment the second adapting table and
The flange of well lid just serves the compensation of stress, undertakes a part of holding power, but due in actual manufacture, flange and well lid bottom
Portion can not possibly be simultaneously in contact condition, certainly exist certain dimensional discrepancy, so setting between flange and the second adapting table
The second cushion pad is put and has compensated this deviation, while the second cushion pad also acts the effect of buffering.
More preferably：The second chamfering is provided with the lower end of the flange is cylindrical, second adapting table is interior with upper
The corner of wall is provided with the 3rd cushion pad.
Using said structure, identical with the effect of the first cushion pad above, but delay relative to the first cushion pad the 3rd
What punching was paved is the effect of compensation.
More preferably：It is provided with second adapting table for tensing the Magnet of well lid.
Using said structure, magnet can further give the power of the mutual compression between well lid and well seat so that connection
More consolidate, can play a part of inerting when relative bounce is produced between well lid and well seat.
More preferably：The Magnet is uniformly distributed around the second adapting table is cylindrical, or is set to annular shape.
Using said structure, annular shape is uniformly distributed the uniform force application that can cause magnetic with circumferential, it is to avoid lateral shift
Generation.
More preferably：The upper inwall is provided with female thread, is provided between the upper inwall and flange
The spin-ended pressure ring for being connected with upper inner thread and coordinating with flange gap, is provided with pressure at the outer rim of the upper surface of the well lid
Groove, is provided with inner edge that is inwardly projecting and abutting with indent on the spin-ended pressure ring.
Using said structure, spin-ended pressure ring has two effects, and one is to play lock to the threaded connection between well lid and well seat
Tight effect, it is to avoid threaded connection loosens, but due to the weight of well lid itself is larger, this loosening can be very micro, and two are, carry
For the power for pushing, or perhaps increase the power for preventing well lid bounce.
More preferably：Lower section of the spin-ended pressure ring in well lid upper surface.
Using said structure, spin-ended pressure ring belongs to the part of lighter weight, if directly receive rolling for loaded vehicle being likely to result in
Situations such as bend fracture, therefore need to be protected in indent, that is, the position below the upper surface of well lid.
More preferably：Multiple quiet grooves are provided with the well lid, are provided with silencing cotton or wood in the quiet groove
Bits.
Using said structure, silencing cotton and wood flour play the role of absorption, consume acoustic energy, and the sound that well lid is produced
It is to be conducted by metal plate first, is then transmitted to again in air, when metal plate conducts, silencing cotton or wood flour can
To sponge the noise of a part so that the noise for distributing is less.
In sum, this utility model has the advantages that：
1st, in the way of bottom surface is accepted, screw thread is firm, stable connection relative displacement is little, greatly reduces vibrations with noise
Produce；
2nd, with the compensation such as thread pitch, the glue-line of root of the tooth, the first cushion pad, the second cushion pad, the 3rd cushion pad laterally and
Vertical displacement, to a greater extent reduce vibrations and noise, decrease big weight car and grind out-of-date and well lid and well seat are made
Into damage；
3rd, the mode such as screw thread, spin-ended pressure ring, magnetic provides the precompression for preventing bounce, can effectively reduce or even avoid
Vibrations；
4th, the 3rd cushion pad, flange, the second adapting table, there is provided vertical support force compensating, reduce and decrease greatly
Weight car grinds the out-of-date damage caused by well lid and well seat, extends service life.
Description of the drawings
Fig. 1 is the overall structure diagram that the inspection well cover of embodiment one attaches well seat；
Fig. 2 is the semi-cutaway of Fig. 1 of embodiment one；
Fig. 3 is partial enlarged drawings of the Fig. 2 of embodiment one at E；
Fig. 4 is partial enlarged drawings of the Fig. 2 of embodiment two at E.
In figure, 1, well seat；2nd, well lid；3rd, quiet groove；4th, spin-ended pressure ring；5th, Magnet；6th, anti-sliding rib；10th, inner chamber；11st,
One adapting table；12nd, area is consolidated；13rd, the second adapting table；14th, upper inwall；15th, the first cushion pad；16th, the second cushion pad；17th,
Three cushion pads；21st, flange；22nd, indent；23rd, the first chamfering；24th, the second chamfering.
Specific embodiment
This utility model is described in further detail below in conjunction with accompanying drawing.
This specific embodiment is only which is not to restriction of the present utility model, ability to explanation of the present utility model
Field technique personnel can make the modification without creative contribution after this specification is read as needed to the present embodiment, but
As long as all being protected by Patent Law in protection domain of the present utility model.
Embodiment 1：Damping noise reduction inspection well cover 2, as shown in figure 1, including well lid 2 and well seat 1, the upper surface of well lid 2 is arranged
Have indent quiet groove 3 and evagination anti-skidding stupefied, placed in quiet groove 3 can be with the silencing cotton of absorption of noise or wood flour.
With reference to Fig. 2 and 3, hollow inner chamber 10 is provided with the well seat 1, is provided with divides in the inner chamber 10 from the bottom to top
First adapting table 11 of cloth, firm area 12, the first adapting table 11 and upper inwall 14, are provided with firm area 12 and upper inwall 14
Female thread.
The bottom of well lid 2 is connected on the first adapting table 11, and be provided with the side wall intersected with bottom with surely
Gu the external screw thread of the threaded connection of area 12, the thread root in firm area 12 are provided with the glue-line for buffering.
The outer rim of the bottom of the well lid 2 is provided with the first chamfering 23, first adapting table 11 and firm area 12 it
Between corner be embedded with first chamfering 23 coordinate the first cushion pad 15.
The top in the external screw thread region of 2 side of well lid is provided with the flange 21 coordinated with 13 gap of the second adapting table, described
The second cushion pad 16 is provided between second adapting table 13 and flange 21.
It is provided with the second chamfering 24 on the lower end of flange 21 is cylindrical, the corner of second adapting table 13 and upper inwall 14
It is provided with the 3rd cushion pad 17.
Be provided between the upper inwall 14 and flange 21 be threadedly coupled with upper inwall 14 and with 21 gap of flange
The spin-ended pressure ring 4 for coordinating, is provided with indent 22, arranges oriented on the spin-ended pressure ring 4 at the outer rim of the upper surface of the well lid 2
Inner edge that is projecting inward and abutting with indent 22；And the upper end surface of the spin-ended pressure ring 4 is in 2 upper table of well lid after installation is complete
The lower section in face.
Operation principle：
1st, in the way of bottom surface is accepted, screw thread is firm, stable connection relative displacement is little, greatly reduces vibrations with noise
Produce；
2nd, compensated with thread pitch, the glue-line of root of the tooth, the first cushion pad 15, the second cushion pad 16, the 3rd cushion pad 17 etc.
Horizontal and vertical displacement, reducing to a greater extent shake and noise, decrease big weight car and grind out-of-date to 2 He of well lid
The damage that well seat 1 is caused；
3rd, the mode such as screw thread, spin-ended pressure ring 4 provides the precompression for preventing bounce, can effectively reduce or even avoid shaking
Dynamic；
4th, the 3rd cushion pad 17, flange 21, the second adapting table 13, there is provided vertical support force compensating, reduce and also subtract
Lack big weight car and ground the out-of-date damage caused by well lid 2 and well seat 1, extend service life.
Embodiment 2：As shown in figure 4, being with the difference of embodiment one, it is provided with the second adapting table 13
For tensing the Magnet 5 of well lid 2, Magnet 5 is uniformly distributed around the second adapting table 13 is cylindrical, or is set to annular shape.
Magnet 5 can further give the power of the mutual compression between well lid 2 and well seat 1 so that connection is more consolidated,
When relative bounce is produced between well lid 2 and well seat 1 can play a part of inerting.
Claims (10)
1. a kind of damping noise reduction inspection well cover, including well lid (2) and well seat (1), is provided with hollow inner chamber on well seat (1)
(10), it is characterized in that：The first adapting table (11) and the screwed firm area for load-bearing is provided with inner chamber (10)
(12), the external screw thread being threadedly coupled with firm area (12), the lower end of well lid (2) are provided with the side wall of well lid (2)
Portion is connected on the first adapting table (11).
2. damping noise reduction inspection well cover according to claim 1, is characterized in that：The outer rim of the bottom of well lid (2) sets
The first chamfering (23) is equipped with, the corner between the first adapting table (11) and firm area (12) is embedded with and first chamfering
(23) the first cushion pad (15) for coordinating.
3. damping noise reduction inspection well cover according to claim 1, is characterized in that：The thread root of firm area (12) is arranged
There is the glue-line for buffering.
4. damping noise reduction inspection well cover according to claim 2, is characterized in that；Is provided with above firm area (12)
Two adapting tables（13）And the upper inwall (14) that the inwall of segmentation inner chamber (10) is formed, the external screw thread area of well lid (2) side
The top in domain is provided with and the second adapting table（13）The flange (21) that gap coordinates, second adapting table（13）With flange (21)
Between be provided with the second cushion pad (16).
5. damping noise reduction inspection well cover according to claim 4, is characterized in that：The cylindrical upper setting in the lower end of flange (21)
There are the second chamfering (24), second adapting table（13）The corner of upper inwall (14) is provided with the 3rd cushion pad (17).
6. damping noise reduction inspection well cover according to claim 5, is characterized in that：Second adapting table（13）Inside it is provided with
It is equipped with for tensing the Magnet (5) of well lid (2).
7. damping noise reduction inspection well cover according to claim 6, is characterized in that：Magnet (5) are around the second adapting table（13）
Cylindrical be uniformly distributed, or be set to annular shape.
8. the damping noise reduction inspection well cover according to claim 5 or 6, is characterized in that：Upper inwall (14) are provided with interior spiral shell
Stricture of vagina, is provided between upper inwall (14) and flange (21) and is threadedly coupled and between flange (21) with upper inwall (14)
The spin-ended pressure ring (4) that gap coordinates, is provided with indent (22), spin-ended pressure ring (4) at the outer rim of the upper surface of well lid (2)
On be provided with inner edge that is inwardly projecting and abutting with indent (22).
9. damping noise reduction inspection well cover according to claim 8, is characterized in that：The upper end surface of spin-ended pressure ring (4) in
The lower section of well lid (2) upper surface.
10. damping noise reduction inspection well cover according to claim 1, is characterized in that：It is provided with well lid (2) multiple quiet
Silencing cotton or wood flour are provided with groove (3), quiet groove (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621021097.5U CN206015735U (en) | 2016-08-31 | 2016-08-31 | Damping noise reduction inspection well cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621021097.5U CN206015735U (en) | 2016-08-31 | 2016-08-31 | Damping noise reduction inspection well cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206015735U true CN206015735U (en) | 2017-03-15 |
Family
ID=58256639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621021097.5U Active CN206015735U (en) | 2016-08-31 | 2016-08-31 | Damping noise reduction inspection well cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206015735U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107201821A (en) * | 2017-07-20 | 2017-09-26 | 中国水利水电第十四工程局有限公司 | A kind of multi-functional load-bearing steel deck-plate |
| CN107476344A (en) * | 2017-08-30 | 2017-12-15 | 北京城市排水集团有限责任公司基建工程管理分公司 | A kind of multi-functional noiseproof manhole cover |
| CN107675728A (en) * | 2017-08-30 | 2018-02-09 | 北京城市排水集团有限责任公司基建工程管理分公司 | A kind of Mutifunction anti-theft manhole-shaft cover |
-
2016
- 2016-08-31 CN CN201621021097.5U patent/CN206015735U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107201821A (en) * | 2017-07-20 | 2017-09-26 | 中国水利水电第十四工程局有限公司 | A kind of multi-functional load-bearing steel deck-plate |
| CN107201821B (en) * | 2017-07-20 | 2023-08-22 | 中国水利水电第十四工程局有限公司 | Multifunctional bearing steel cover plate |
| CN107476344A (en) * | 2017-08-30 | 2017-12-15 | 北京城市排水集团有限责任公司基建工程管理分公司 | A kind of multi-functional noiseproof manhole cover |
| CN107675728A (en) * | 2017-08-30 | 2018-02-09 | 北京城市排水集团有限责任公司基建工程管理分公司 | A kind of Mutifunction anti-theft manhole-shaft cover |
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